Why should I hire you?

Why should I hire you?
Ans:
You should hire me for this job as I have a thorough understanding of this niche and have worked on projects similar to yours in the past. I can deliver the task in quick time frame, while maintaining clear communication. I am also open to quick feedbacks so as to ensure that I and the clients I work are always on the same page and there are no chances of any miscommunication of any sort.